Home / 11,141.16-15,374.23-6,105.39

Finding the Fourth Proportional to 11,141.16, 15,374.23 and 6,105.39

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Solution

The fourth proportional to 11,141.16, 15,374.23 and 6,105.39 is: 8,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.16 : 15,374.23 = 6,105.39 : x
  2. Step 2: Convert to fraction form
    11,141.16/15,374.23 = 6,105.39/x
  3. Step 3: Cross multiply
    11,141.16x = 15,374.23 × 6,105.39
  4. Step 4: Simplify right side
    11,141.16x = 93,865,654.84
  5. Step 5: Solve for x
    x = 93,865,654.84/11,141.16
  6. Step 6: Final answer
    x = 8,425.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.